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  1. 01-19-2011, 12:21 PM #1
    ompranav
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    Default Upgrading 3GS from ios 4.0.1

    Hi everyone I am heaving an iPhone 3GS on 4.0.1 on firmware 05.13.04 and i have jailbroken it using jailbreakme and unlocked via ultrasn0w and I want to upgrade my OS so what is the best way to do that and will my phone remain unlocked after doing that please guide me
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    @0mpranav
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  2. 01-19-2011, 12:45 PM #2
    Cowboy
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    By using a custom fw. That way you can keep you bb.
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  3. 01-19-2011, 01:11 PM #3
    Simon
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    You should find out what bootrom you have with idetector and what SHSH you have with tiny umbrella before doing anything.
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